From: Jude <mphowehnzembayie@gmail.com>
To: Teacher2Teacher Public Discussion
Date: 2010052307:19:46
Subject: Will this help ?
There are math puzzles in which you are told to find trials that
sum up to a given number. It is not in the form of cards but simply
tables with several number combinations. You can take a look at :
www.mathgames4children.com/Puzzles/index.html
I don't know whether it comes close to what you are describing ?